19458945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 38750400

約数和(自身を除く): 19291455

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 2069, 3135, 6207, 9405, 10345, 18621, 22759, 31035, 39311, 68277, 93105, 113795, 117933, 196555, 204831, 341385, 353799, 432421, 589665, 1024155, 1297263, 1768995, 2162105, 3891789, 6486315, 19458945]

約数ペア:

[(1, 19458945), (3, 6486315), (5, 3891789), (9, 2162105), (11, 1768995), (15, 1297263), (19, 1024155), (33, 589665), (45, 432421), (55, 353799), (57, 341385), (95, 204831), (99, 196555), (165, 117933), (171, 113795), (209, 93105), (285, 68277), (495, 39311), (627, 31035), (855, 22759), (1045, 18621), (1881, 10345), (2069, 9405), (3135, 6207)]